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 Volume 10, Number 4, 2020, Pages 1482-1515 Stability analysis and approximate solution of SIR epidemic model with Crowley-Martin type functional response and Holling type-II treatment rate by using homotopy analysis method Parvaiz Ahmad Naik,Jian Zu,Mohammad Ghoreishi Keywords:SIR epidemic model, homotopy analysis method, stability analysis, reproduction number $\mathfrak{R}_{0}$, Crowley-Martin type incidence rate, Holling type-II treatment rate, auxiliary parameter $\hbar$. Abstract: In this paper, SIR epidemic model with Crowley-Martin type functional response and Holling type-II treatment rate is investigated. The analysis of the model shows that it has two equilibria, namely disease-free and endemic. We investigate the existence and stability results of equilibria by using LaSalle''s invariant principle and Lyapunov function. $\mathfrak{R}_{0}$ has been found to ensure the extinction or persistence of the infection. Furthermore, homotopy analysis method is employed to obtain the series solution of the proposed model. By using the homotopy solutions, firstly, several $\hbar$-curves are plotted to demonstrate the regions of convergence, then the residual and square residual errors are obtained for different values of these regions. Secondly, the numerical solutions are presented for various iterations and the absolute error functions are applied to show the accuracy of the applied homotopy analysis method. PDF      Download reader